- DATIS stands for Drug and Alcohol Treatment Information System (Canada)
- DATIS stands for Drogue Alcool Tabac Info Service (French: Drug and Alcohol Information Service; France)
- DATIS stands for Digital Airborne Topographical Imaging System
- DaTIS stands for Drug and Toxicology Information Service
- DATIS stands for Digital Automatic Terminal Information Service
- DATIS stands for Digital Airport Terminal Information System
DATIS